Tools as parts of machines, in particular tools for machine tools, including drilling tools of hard cutting materials, drilling tools with removable inserts, drilling tools with soldered, cemented or otherwise firmly fixed inserts, drilling tools with removable drill bits, drilling tools with removable pilot, centre or guide drills, modular drilling tools, drilling tools with machine-side modular connections (being points of intersection and separation) and lengthening pieces being machine parts for the aforesaid tools; removable and firmly fixed inserts of hard cutting materials for mechanical drilling tools, pilot, centre or guide drills, for mechanical drilling tools, supporting and guiding, adjustment and clamping elements being machine parts for mechanical drilling tools.
Machinery